Dental control unit



FIG. 1 is a top perspective view of a dental control unit showing our new design;

FIG. 2 is a bottom perspective view;

FIG. 3 is a right-side elevational view;

FIG. 4 is a left-side elevational view;

FIG. 5 is a front elevational view;

FIG. 6 is a back elevational view;

FIG. 7 is a top plan view; and,

FIG. 8 is a bottom plan view.

The broken lines shown in FIGS. 2, 4, 5, 6, 7 and 8 are for illustrative purposes only and form no part of the claimed design. 

The ornamental design for a dental control unit, as shown and described. 